Dmc Devil May Cry Steam Must Be Running To Play This May 2026

Simply closing the window doesn't close Steam.

  • Also check the game’s publisher support (Capcom/Publisher) and the Steam community hub for DmC for recent reports or patches.

    • For DmC specifically, this error exploded in frequency around 2020-2021 after several Windows 10/11 updates (specifically KB5001330 and KB5021233) that changed how User Account Control (UAC) handles virtualized processes. Dmc Devil May Cry Steam Must Be Running To Play This

    Additionally, Capcom has not updated DmC’s DRM since 2015. The game shipped with an older version of Steamworks that occasionally fails to handshake with modern Steam clients. This is a classic case of software rot – a perfectly functional game gradually breaking due to OS and platform evolution. Simply closing the window doesn't close Steam

    If you have tried all ten fixes and still see "Steam must be running to play this," the issue may be hardware or OS-level virtualization. In rare cases, certain gaming laptops with Alder Lake or newer Intel CPUs (with P-cores and E-cores) cause timing issues with legacy DRM. The fix there is to force DmC to run on Performance cores only via Process Lasso. For DmC specifically, this error exploded in frequency

    As mentioned, permission levels must match.

  • Right-click DmC-DevilMayCry.exe → Properties → Compatibility → Check Run this program as an administrator → OK.
  • Restart Steam (it will ask for Admin permission). Then launch the game.